This essay sets out a framework for evaluating empirical work in terms of the ability of the data to provide adequate parameter estimates and hypothesis tests about the true underlying structure. Problems of aggregation, representativeness and structural change are discussed in detail. These...

I argue for increased reliance on non-U.S. data and policy evaluations to understand basic labor- market parameters and to predict the effects of changes in U.S. labor-market policies. Foreign experiences generate exogenous shocks to labor costs that create unusual opportunities to measure...

I argue for increased reliance on non-U.S. data and policy evaluations to understand basic labor- market parameters and to predict the effects of changes in U.S. labor-market policies. Foreign experiences generate exogenous shocks to labor costs that create unusual opportunities to measure...

This essay sets out a framework for evaluating empirical work in terms of the ability of the data to provide adequate parameter estimates and hypothesis tests about the true underlying structure. Problems of aggregation, representativeness and structural change are discussed in detail. These...

When unemployment rates reached double-digit levels in many OECD countries at the beginning of the 1990s, fighting unemployment became the prime target of economic policy-making and a major focus of economic research1. The OECD (1994) launched a major study - the OECD Jobs Study - which...

In der vorliegenden Arbeit wird der Versuch unternommen, die herrschenden mikro- und makroökonomischen Theorien einem Prognose- und Erklärungstest zu unterziehen und mit einem alternativen Ansatz zu kontrastieren.